Petrosphere (geology) From Wikipedia, the free encyclopedia In geology, the petrosphere is the entire silicate portion of a planet, including its crust and mantle.[1] ↑ Moynier, Frédéric; Fegley, Bruce (2015). "The Earth's Building Blocks". In Badro, James; Walter, Michael (eds.). The Early Earth: Accretion and Differentiation (PDF). Geophysical Monograph Series 212. Washington, D.C.: American Geophysical Union. p. 27. doi:10.1002/9781118860359.ch2. ISBN 9781118860359. See also Lithosphere This geology article is a stub. You can help Wikipedia by expanding it.vte Related Articles
